Pay in 4 interest-free payments of $8.75 Learn more
Ships within 48 hours · Estimated delivery Sep 9 - Sep 14
6oz or 12oz cans
We are offering only the 3/8 version
Star shape wall structure for added strength
Weight: 136g
Ground shipping only to the greater 48 states
MCS Chainring-4-Bolt Gear Size:40T 6oz or 12oz cansThe MCS Chainring 4 Bolt at J&R Bicycles is made from CNC machined aluminum alloy to keep it durable without weighing much while providing consistent tension. Designed with a nearly perfect circle of circumference, the MCS Chainring is able to deliver nice even tension on your chain for a smooth ride. And it is made in the USA. SPECIFICATIONS Material: CNC machined 6061 T Aluminum Size: Available from 37T to 47T Weight (each sold separately): 67. 2
